Papers abstract:

The Steel reinforced concrete-filled fiber reinforced polymer (FRP) tubular column is proposed as a new form of composite column to obtain higher mechanical performance. This paper presents experimental and numerical studies of axially loaded steel reinforced concrete-filled GFRP tubular columns. Ten steel reinforced concrete-filled GFRP tubular columns and two concrete filled GFRP tubular columns are tested. ThespecimensfailbytheruptureoftheGFRPtubesunderhooptensionandonlyoutwardbuckling can be observed because of the presence of the concrete core and steel section. Also, the crushed concrete core and buckling of steel section could be observed after removing of the FRP tube. The results indicate steel reinforced concrete-filled GFRP tubular columns have higher specimen stiffness, strength and deformability than concrete filled GFRP tubular columns. A parametric study, including steel ratio and concrete strength, is also carried out.

Product Overview:
This tutorial provides a step-by-step guide to simulating the axial compression behavior of steel-reinforced concrete (SRC) beams. Key simulation steps include:

• Geometry creation: 3D deformable steel I-beam and concrete column with rigid loading surfaces.
• Material assignment: Elastic-plastic steel and plastic-damage concrete models.
• Assembly & constraints: Tie interactions for steel-concrete bonding, frictional contact (µ = 0.25).
• Loading & boundary conditions: Displacement-controlled compression with encastre support.
• Meshing & analysis: Explicit dynamic solver with element deletion for concrete cracking

In this tutorial, buckling of steel reinforcement and concrete crushing are simulated, according to data from the work of Xue and Gong.